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Failure modes and reliability oriented system design for aerospace power electronic converters (2020)
Journal Article
Harikumaran, J., Migliazza, G., Buticchi, G., Madonna, V., Giangrande, P., Costabeber, A., …Galea, M. (2021). Failure modes and reliability oriented system design for aerospace power electronic converters. IEEE Open Journal of the Industrial Electronics Society, 2, 53-64. https://doi.org/10.1109/OJIES.2020.3047201

Aircraft electrification has been a major trend in aviation industry for past 20 years. Given the increasing electrical power requirement for future more electric aircraft and hybrid electric aircraft, research efforts has been ongoing in high power... Read More about Failure modes and reliability oriented system design for aerospace power electronic converters.

Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications (2020)
Presentation / Conference
Khera, F., Klumpner, C., & Wheeler, P. (2020, December). Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications. Paper presented at 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020), Online

This paper presents a novel quasi Z-source Hybrid modular multilevel converter (qZS-HMMC) for medium voltage applications where the “hybrid” concept refers to the implementation of the MMC strings that consist of a mixture of half bridge sub-modules... Read More about Quasi Z-Source Hybrid Modular Multilevel Converter Controlled By Reduced Inserted Cells Modulation Technique For Medium Voltage Applications.

Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation (2020)
Journal Article
Trentin, A., Sala, G., Tarisciotti, L., Galassini, A., Degano, M., Connor, P. H., …Gerada, C. (2021). Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation. IEEE Transactions on Industrial Electronics, 68(12), 11684-11695. https://doi.org/10.1109/TIE.2020.3040692

In this article, we describe the research and development of a 3 kV active rectifier for a 4 MW aerospace generator drive system demonstrator. The converter is fed by a multiphase high-speed/high-frequency permanent magnet generator. The main aim of... Read More about Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation.

A Review of Control Techniques in Photovoltaic Systems (2020)
Journal Article
Murillo-Yarce, D., Alarcón-Alarcón, J., Rivera, M., Restrepo, C., Muñoz, J., Baier, C., & Wheeler, P. (2020). A Review of Control Techniques in Photovoltaic Systems. Sustainability, 12(24), 1-22. https://doi.org/10.3390/su122410598

Complex control structures are required for the operation of photovoltaic electrical energy systems. In this paper, a general review of the controllers used for photovoltaic systems is presented. This review is based on the most recent papers present... Read More about A Review of Control Techniques in Photovoltaic Systems.

Control Techniques for a Single-Phase Matrix Converter (2020)
Journal Article
Rivera, M., Rojas, S., Restrepo, C., Muñoz, J., Baier, C., & Wheeler, P. (2020). Control Techniques for a Single-Phase Matrix Converter. Energies, 13(23), Article 6337. https://doi.org/10.3390/en13236337

The single-phase matrix converter is an AC-AC power topology which consists of six bidirectional switches and it is considered the key unit in cascade or multilevel configurations. In this paper, a comparison between two control techniques is present... Read More about Control Techniques for a Single-Phase Matrix Converter.

Reliability oriented thermal management of aircraft power converters (2020)
Conference Proceeding
Harikumaran, J., Buticchi, G., MIgliazza, G., Wheeler, P., & Galea, M. (2020). Reliability oriented thermal management of aircraft power converters. In 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia) (1590-1594). https://doi.org/10.1109/IPEMC-ECCEAsia48364.2020.9367638

On board electrical power generation continue to increase as more aircraft systems are being electrified. Increasingly power converters are the interface of power generation and electrical loads in aircrafts. Reliability of aircraft power electronics... Read More about Reliability oriented thermal management of aircraft power converters.

Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications (2020)
Conference Proceeding
Gao, Y., Yang, T., Wang, X., Bozhko, S., & Wheeler, P. (2020). Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (1940-1944). https://doi.org/10.23919/ICEMS50442.2020.9290844

This study utilizes the machine learning (ML) technique to estimate the power loss of surface-mounted Permanent Magnet Synchronous Motor (PMSM) for More-Electric Aircraft (MEA). Existing approaches do not consider ML methods in power loss calculation... Read More about Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications.

Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect Matrix Converter (2020)
Journal Article
Olloqui, A., Elizondo, J. L., Rivera, M., Macias, M., Micheloud-Vernackt, O. M., Pena, R., & Wheeler, P. (2021). Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect Matrix Converter. IEEE Transactions on Energy Conversion, 36(2), 1510-1516. https://doi.org/10.1109/TEC.2020.3038471

This paper presents a new control strategy using model-based predictive current control (MB-PCC) for a doubly fed induction machine (DFIM) driven by an indirect matrix converter (IMC). This strategy proposes the control of rotor currents, whose refer... Read More about Model-Based Predictive Rotor Current Control Strategy for Indirect Power Control of a DFIM Driven by an Indirect Matrix Converter.

The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region (2020)
Journal Article
Vidal, H., Rivera, M., Wheeler, P., & Vicencio, N. (2020). The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region. Sustainability, 12(21), 1-16. https://doi.org/10.3390/su12219227

Solar PV structures for locations at high latitudes in the Northern and Southern Hemispheres are increasingly in the spotlight. The work reported in this paper analyses the behaviour of a grid-connected 8.2 kWp photovoltaic system to either feed on-s... Read More about The Analysis Performance of a Grid-Connected 8.2 kWp Photovoltaic System in the Patagonia Region.

Computation of time probability distributions for the occurrence of uncertain future events (2020)
Journal Article
Acuña-Ureta, D. E., Orchard, M. E., & Wheeler, P. (2021). Computation of time probability distributions for the occurrence of uncertain future events. Mechanical Systems and Signal Processing, 150, Article 107332. https://doi.org/10.1016/j.ymssp.2020.107332

The determination of the time at which an event may take place in the future is a well-studied problem in a number of science and engineering disciplines. Indeed, for more than fifty years, researchers have tried to establish adequate methods to char... Read More about Computation of time probability distributions for the occurrence of uncertain future events.

An Overview of Applications of the Modular Multilevel Matrix Converter (2020)
Journal Article
Diaz, M., Cárdenas Dobson, R., Ibaceta, E., Mora, A., Urrutia, M., Espinoza, M., …Wheeler, P. (2020). An Overview of Applications of the Modular Multilevel Matrix Converter. Energies, 13(21), Article 5546. https://doi.org/10.3390/en13215546

The modular multilevel matrix converter is a relatively new power converter topology suitable for high-power alternating current (AC)-to-AC applications. Several publications in the literature have highlighted the converter capabilities, such as full... Read More about An Overview of Applications of the Modular Multilevel Matrix Converter.

Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators (2020)
Conference Proceeding
Savi, F., Barater, D., Buticchi, G., Wheeler, P., & Gerada, C. (2020). Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators. . https://doi.org/10.1109/iecon43393.2020.9254985

One of the challenges brought forward by the gradual electrification undertaken by the aviation sector is the requirement of fault tolerance for machine drive systems to be used for critical on-board tasks such as propulsion or primary flight surface... Read More about Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators.

Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter (2020)
Conference Proceeding
Akbar, S. M., Hasan, A., Watson, A., Wheeler, P., & Odhano, S. (2020). Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter. . https://doi.org/10.1109/IECON43393.2020.9254434

© 2020 IEEE. Isolated DC/DC modular multilevel converters (MMC) consisting of two MMCs isolated by a transformer are one of the converter topologies being considered used for DC/DC conversion in HVDC transmission. Two level modulation can be used to... Read More about Finite Control Set Model Predictive Control of Isolated DC/DC Modular Multilevel Converter.

Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids (2020)
Journal Article
Geury, T., Pinto, S. F., Gyselinck, J., & Wheeler, P. (2020). Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids. Energies, 13(20), Article 5405. https://doi.org/10.3390/en13205405

This paper proposes an Indirect Matrix Converter (IMC)-based grid-tied Photovoltaic (PV) system for Smart Grids (SGs). The PV array injects current in the ‘dc link’ of the IMC through an inductive link, and is connected to the SG with shunt and serie... Read More about Indirect Matrix Converter-Based Grid-Tied Photovoltaics System for Smart Grids.

Filter Design and Optimization of Electromechanical Actuation Systems Using Search and Surrogate Algorithms for More-Electric Aircraft Applications (2020)
Journal Article
Gao, Y., Yang, T., Bozhko, S., Wheeler, P., & Dragicevic, T. (2020). Filter Design and Optimization of Electromechanical Actuation Systems Using Search and Surrogate Algorithms for More-Electric Aircraft Applications. IEEE Transactions on Transportation Electrification, 6(4), 1434-1447. https://doi.org/10.1109/tte.2020.3019729

In this paper, a dc filter design and optimization problem is studied for dc electrical power distribution systems onboard more-electric aircraft. Component sizing models are built to serve as the basis of the optimization whose objectives are mass a... Read More about Filter Design and Optimization of Electromechanical Actuation Systems Using Search and Surrogate Algorithms for More-Electric Aircraft Applications.

Optimal filter design for power converters regulated by FCS-MPC in the MEA (2020)
Journal Article
Gao, Y., Yang, T., Dragicevic, T., Bozhko, S., Wheeler, P., & Zheng, C. (2021). Optimal filter design for power converters regulated by FCS-MPC in the MEA. IEEE Transactions on Power Electronics, 36(3), 3258-3268. https://doi.org/10.1109/tpel.2020.3017862

For the DC electrical power distribution system onboard more electric aircraft, the voltage quality of DC bus is of a great concern since there could be significant harmonics distortions when feeding different power electronics loads. This problem ca... Read More about Optimal filter design for power converters regulated by FCS-MPC in the MEA.

Evolutionary Multiobjective Optimization of a System-Level Motor Drive Design (2020)
Journal Article
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2020). Evolutionary Multiobjective Optimization of a System-Level Motor Drive Design. IEEE Transactions on Industry Applications, 56(6), 6904-6913. https://doi.org/10.1109/tia.2020.3016630

The use of optimization algorithms to design motor drive components is increasingly common. To account for component interactions, complex system-level models with many input parameters and constraints are needed, along with advanced optimization tec... Read More about Evolutionary Multiobjective Optimization of a System-Level Motor Drive Design.

An Improved Coupled-Inductor Impedance Source Network With More Freedom in Winding Match (2020)
Journal Article
Ji, Y., Hongchen, L., Geng, L., Li, F., & Wheeler, P. (2020). An Improved Coupled-Inductor Impedance Source Network With More Freedom in Winding Match. IEEE Access, 8, 141472-141480. https://doi.org/10.1109/access.2020.3013103

In this paper, an improved coupled-inductor impedance source network (CL-ISN) with more freedom in winding match is proposed. Through introducing three-winding coupled-inductor cells, the proposed CL-ISN can produce the same voltage gain by using dif... Read More about An Improved Coupled-Inductor Impedance Source Network With More Freedom in Winding Match.

A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter (2020)
Journal Article
Wang, Q., Yu, H., Li, C., Lang, X., Yeoh, S. S., Yang, T., …Wheeler, P. (2020). A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter. IEEE Transactions on Transportation Electrification, 6(3), 1188-1198. https://doi.org/10.1109/TTE.2020.3012352

Conventional finite control set model-predictive control (FCS-MPC) presents a high computational burden, especially in three-level neutral-point-clamped (NPC) converters. This article proposes a low-complexity optimal switching time-modulated model-p... Read More about A Low-Complexity Optimal Switching Time-Modulated Model-Predictive Control for PMSM With Three-Level NPC Converter.

A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter (2020)
Journal Article
Hosseinzadeh, M. A., Sarebanzadeh, M., Rivera, M., Babaei, E., & Wheeler, P. (2021). A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9(3), 3556-3569. https://doi.org/10.1109/jestpe.2020.3010793

The cascaded multilevel inverters (MLIs) are suitable topologies when a high number of voltage levels are needed. Nonetheless, cascaded topologies possess the main drawback of a high number of power switches and gate drivers that make sophisticated c... Read More about A Reduced Single-Phase Switched-Diode Cascaded Multilevel Inverter.

Thermal Design of an Integrated Inductor for 45kW Aerospace Starter-Generator (2020)
Conference Proceeding
Rocca, A. L., Khowja, M. R., Vakil, G., Gerada, C., & Wheeler, P. (2020). Thermal Design of an Integrated Inductor for 45kW Aerospace Starter-Generator

This paper presents a combined electromagnetic and thermal design of integrated inductor, for the application of a 45kW aircraft starter-generator. The inductor is designed at high current density by using the apporach ofarea product, followed by the... Read More about Thermal Design of an Integrated Inductor for 45kW Aerospace Starter-Generator.

Novel Permanent Magnet Synchronous Motor with Integrated Filter Inductor Using Motor's Inherent Magnetics (2020)
Journal Article
Khowja, M. R., Gerada, C., Vakil, G., Patel, C., Odhano, S. A., Walker, A., & Wheeler, P. (2021). Novel Permanent Magnet Synchronous Motor with Integrated Filter Inductor Using Motor's Inherent Magnetics. IEEE Transactions on Industrial Electronics, 68(7), 5638-5649. https://doi.org/10.1109/tie.2020.3000110

A close functional and structural integration of passive elements is required to improve the power density of motor drives. Such power-dense motor drives are prerequisites in aerospace and automotive applications. This article presents a permanent ma... Read More about Novel Permanent Magnet Synchronous Motor with Integrated Filter Inductor Using Motor's Inherent Magnetics.

Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems (2020)
Journal Article
Toledo, S., Maqueda, E., Rivera, M., Gregor, R., Wheeler, P., & Romero, C. (2020). Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems. Energies, 13(10), Article 2660. https://doi.org/10.3390/en13102660

Distributed generation systems are emerging as a good solution as part of the response to the world’s growing energy demand. In this context multi-phase wind generation systems are a feasible option. These systems consist of renewable AC sources whic... Read More about Improved Predictive Control in Multi-Modular Matrix Converter for Six-Phase Generation Systems.

A Generalized Input Impedance Model of Multiple Active Bridge Converter (2020)
Journal Article
Yang, J., Buticchi, G., Gu, C., Gunter, S., Zhang, H., & Wheeler, P. (2020). A Generalized Input Impedance Model of Multiple Active Bridge Converter. IEEE Transactions on Transportation Electrification, 6(4), 1695-1706. https://doi.org/10.1109/tte.2020.2986604

The electrical power distribution system (EPDS) of the more electric aircraft (MEA) is a fundamental component that needs to be efficient and resilient. The commonly considered architectures feature separate buses to achieve separation between differ... Read More about A Generalized Input Impedance Model of Multiple Active Bridge Converter.

A Cascade PI-SMC Method for Brushless Doubly-Fed Induction Machine with Matrix Converter (2020)
Conference Proceeding
Zhao, X., Wang, H., Dan, H., Di, Z., Sun, Y., Su, M., …Wheeler, P. (2020). A Cascade PI-SMC Method for Brushless Doubly-Fed Induction Machine with Matrix Converter. In Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition 2020 (2526-2528). https://doi.org/10.1109/APEC39645.2020.9124209

This paper proposes a cascade proportional-integral continuous second-order sliding mode control method for brushless doubly-fed induction machine. This method consists of the speed out-loop proportional-integral controller and the current inner-loop... Read More about A Cascade PI-SMC Method for Brushless Doubly-Fed Induction Machine with Matrix Converter.

Predictive Torque Control with Fixed Switching Frequency for Induction Motor Drives (2020)
Conference Proceeding
Riveros, J. A., Rivera, M., Rodriguez, C., Galea, M., Buticchi, G., & Wheeler, P. (2020). Predictive Torque Control with Fixed Switching Frequency for Induction Motor Drives. In Proceedings: 2020 IEEE International Conference on Industrial Technology (ICIT) (211-216). https://doi.org/10.1109/ICIT45562.2020.9067232

Predictive torque control is one of the most considered high-performance methods for variable-speed applications. This scheme is characterised by a flexible architecture that provides a fast torque/flux response, while its operation reports variable... Read More about Predictive Torque Control with Fixed Switching Frequency for Induction Motor Drives.

Active and Reactive Power Control based on Predictive Voltage Control in a Six-Phase Generation System using Modular Matrix Converters (2020)
Conference Proceeding
Toledo, S., Ayala, M., Maqueda, E., Gregor, R., Renault, A., Rivera, M., …Wheeler, P. (2020). Active and Reactive Power Control based on Predictive Voltage Control in a Six-Phase Generation System using Modular Matrix Converters. In Proceedings: 2020 IEEE International Conference on Industrial Technology (ICIT) (1059-1065). https://doi.org/10.1109/ICIT45562.2020.9067285

Renewable energy generation systems under distributed generation frame emerges as a plausible solution for nowadays growing world energy demands. In this context multiphase wind generation systems are a feasible option that consist of renewable AC so... Read More about Active and Reactive Power Control based on Predictive Voltage Control in a Six-Phase Generation System using Modular Matrix Converters.

Control Strategy and Communication Architecture for Power Sharing in Microgrids (2020)
Conference Proceeding
Perez-Guzman, R. E., Salgueiro, Y., Rivera, M., & Wheeler, P. W. (2020). Control Strategy and Communication Architecture for Power Sharing in Microgrids. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (1167-1172). https://doi.org/10.1109/ICIT45562.2020.9067288

The increasing needs of control, security and generation capacity of microgrids, has raised the complexity of the network and have allowed the evolution of architecture as a cluster. This increase in complexity demands control strategies in real-time... Read More about Control Strategy and Communication Architecture for Power Sharing in Microgrids.

Recent Advances of Predictive Control in Power Converters (2020)
Conference Proceeding
Perez-Guzman, R. E., Rivera, M., & Wheeler, P. W. (2020). Recent Advances of Predictive Control in Power Converters. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (1100-1105). https://doi.org/10.1109/icit45562.2020.9067169

Model-based predictive control (MPC) is an attractive solution for controlling power converters and drives. This research shows the most recent alternatives of predictive control techniques proposed in the literature to solve control problems in powe... Read More about Recent Advances of Predictive Control in Power Converters.

Architectures for Microgrids Interconnection (2020)
Conference Proceeding
Diaz, F., Rivera, M., Chavez, H., & Wheeler, P. (2020). Architectures for Microgrids Interconnection. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (1121-1126). https://doi.org/10.1109/ICIT45562.2020.9067130

Progress requires greater global energy interconnection. This paper presents an overview of the topologies and control techniques applied to microgrids, by means of an updated bibliographic research and the most relevant articles on the use of power... Read More about Architectures for Microgrids Interconnection.

Present and Future of the Chilean Electrical Grid (2020)
Conference Proceeding
Diaz, F., Rivera, M., Chevez, H., & Wheeler, P. (2020). Present and Future of the Chilean Electrical Grid. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (630-635). https://doi.org/10.1109/ICIT45562.2020.9067249

The technological development of Chile has lead to a major energy demand. This paper presents a description of the current reality of the Chilean electricity sector and its future. The vision and its advancements in Chile are matter of observation to... Read More about Present and Future of the Chilean Electrical Grid.

Model Predictive Control Applied to the Three-Phase Neutral Point Clamped Inverter (2020)
Conference Proceeding
Perez-Guzmen, R. E., Rivera, M., Riveros, J. A., Herrera, F., & Wheeler, P. W. (2020). Model Predictive Control Applied to the Three-Phase Neutral Point Clamped Inverter. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (493-498). https://doi.org/10.1109/ICIT45562.2020.9067298

Model-based predictive control is one of the most used strategies for power converters. Its popularity is due to the simple inclusion of several regulation objectives in the control law, which is a desired feature for multilevel voltage source invert... Read More about Model Predictive Control Applied to the Three-Phase Neutral Point Clamped Inverter.

Model-based Predictive Control in Three-Phase Inverters (2020)
Conference Proceeding
Perez-Guzman, R. E., Rivera, M., Vicencio, N., & Wheeler, P. W. (2020). Model-based Predictive Control in Three-Phase Inverters. In Proceedings: 2020 IEEE International Conferenceon Industrial Technology (499-504). https://doi.org/10.1109/ICIT45562.2020.9067217

In the last year model predictive control strategy has emerged as a good alternative for the control of power converters. This research proposes a new model-based predictive control strategy for a voltage source inverter, operating at variable and fi... Read More about Model-based Predictive Control in Three-Phase Inverters.

High-Speed Electric Drives: A Step Towards System Design (2020)
Journal Article
Savi, F., Barater, D., Nardo, M. D., Degano, M., Gerada, C., Wheeler, P., & Buticchi, G. (2020). High-Speed Electric Drives: A Step Towards System Design. IEEE Open Journal of the Industrial Electronics Society, 1, 10-21. https://doi.org/10.1109/ojies.2020.2973883

Electric drives applications have been worldwide adopted for the transportation electrification. An electric drive system is constituted by two main components: the power electronics converter and the electrical machine. Traditionally the design work... Read More about High-Speed Electric Drives: A Step Towards System Design.

Predictive Control Based DC Microgrid Stabilization With the Dual Active Bridge Converter (2020)
Journal Article
Chen, L., Gao, F., Shen, K., Wang, Z., Tarisciotti, L., Wheeler, P., & Dragicevic, T. (2020). Predictive Control Based DC Microgrid Stabilization With the Dual Active Bridge Converter. IEEE Transactions on Industrial Electronics, 67(10), 8944-8956. https://doi.org/10.1109/tie.2020.2965460

Dual-active-bridge (DAB) enabled dc microgrids stabilization is investigated in this article. DAB has two control objectives: load current regulation and the dc-bus voltage stabilization. In multiobjective control applications, the conventional propo... Read More about Predictive Control Based DC Microgrid Stabilization With the Dual Active Bridge Converter.